- Infectious salmon anemia (ISA) is a serious and contagious viral disease in salmon, and has also been detected in farmed rainbow trout and wild sea trout.
- The virus primarily attacks the cell layer (endothelium) that covers the inside of blood vessels and the heart.
- The virus is in the same family as the flu virus
- Since 1993, there have been an average of 10 outbreaks of ISA per year in Norway
Sources: Norwegian Veterinary Institute and Norwegian Food Safety Authority
A growing number of infectious salmon anemia (ISA) outbreaks is raising concern in Norway.